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[libpng15] Removed #if/#else/#endif from inside two pow() calls in pngvalid.c

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because they were handled improperly by Portland Group's PGI-14.1 - PGI-14.3
when using its "__builtin_pow()" function.
This commit is contained in:
Glenn Randers-Pehrson 2014-03-17 16:14:05 -05:00
parent d485bd1379
commit beaacb7821
3 changed files with 20 additions and 15 deletions
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3
ANNOUNCE
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@ -39,6 +39,9 @@ Version 1.5.19beta02 [March 17, 2014]
Moved configuration information from the manual to the INSTALL file.
Version 1.5.19beta03 [March 17, 2014]
Removed #if/#else/#endif from inside two pow() calls in pngvalid.c because
they were handled improperly by Portland Group's PGI-14.1 - PGI-14.3
when using its "__builtin_pow()" function.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

3
CHANGES
View File

@ -4215,6 +4215,9 @@ Version 1.5.19beta02 [March 17, 2014]
Moved configuration information from the manual to the INSTALL file.
Version 1.5.19beta03 [March 17, 2014]
Removed #if/#else/#endif from inside two pow() calls in pngvalid.c because
they were handled improperly by Portland Group's PGI-14.1 - PGI-14.3
when using its "__builtin_pow()" function.
Send comments/corrections/commendations to png-mng-implement at lists.sf.net
(subscription required; visit

29
contrib/libtests/pngvalid.c
View File

@ -6776,14 +6776,14 @@ image_transform_png_set_rgb_to_gray_ini(PNG_CONST image_transform *this,
* conversion adds another +/-2 in the 16-bit case and
* +/-(1<<(15-PNG_MAX_GAMMA_8)) in the 8-bit case.
*/
that->pm->limit += pow(
# if PNG_MAX_GAMMA_8 < 14
(that->this.bit_depth == 16 ? 8. :
6. + (1<<(15-PNG_MAX_GAMMA_8)))
# else
8.
# endif
/65535, data.gamma);
that->pm->limit +=
# if PNG_MAX_GAMMA_8 < 14
pow((that->this.bit_depth == 16 ?
8. : 6. + (1<<(15-PNG_MAX_GAMMA_8)))/65535, data.gamma);
# else
pow((that->this.bit_depth == 16 ?
8. : 8. + (1<<(15-PNG_MAX_GAMMA_8)))/65535, data.gamma);
# endif
}
else
@ -6801,13 +6801,12 @@ image_transform_png_set_rgb_to_gray_ini(PNG_CONST image_transform *this,
* internal calculation errors, not the actual limit imposed by
* pngvalid on the output errors.
*/
that->pm->limit += pow(
# if DIGITIZE
1.1
# else
1.
# endif
/255, data.gamma);
that->pm->limit +=
# if DIGITIZE
pow(1.1 /255, data.gamma);
# else
pow(1.0 /255, data.gamma);
# endif
}
}